Question

what is the smallest number by which each of the following numbers must be multiplied to make it a perfect square .
(i) 15
(ii) 45
(iii) 150
(iv) 175​

Answer 1

Answer:

i.15

ii.5

iii.6

iv.7

.....i hope it help you

Answer 2

Answer:

645 x 5=( 3 x 3 x 3) x( 5 x 5 x 5)= 3375 is a perfect cube. Hence, the smallest natural number by which 675 should be multiplied to make it a perfect cube is 5. Hence, the smallest natural number by which hundred should be multiplied to make it a perfect cube is 2 x 5= 10.